Analysis
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max time kernel
150s -
max time network
33s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25-03-2023 07:56
Static task
static1
Behavioral task
behavioral1
Sample
802adde2f73b801001415c095fcaffe3.exe
Resource
win7-20230220-en
General
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Target
802adde2f73b801001415c095fcaffe3.exe
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Size
6.8MB
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MD5
802adde2f73b801001415c095fcaffe3
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SHA1
e787c97d506802f78922e71a809f042e0b8a4239
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SHA256
1cfa114e335202d50659ca4baec2671111f5a133a3f6817d7095c9670efde514
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SHA512
9f583a0f19aaad94172d08d1fb673e947a95b47d264aab4bbc9a8cb0bd3c1704298bbb618cbfb5a3e386b43c1bdb4b3a218c10f3eab2434db7c605e913c7ae4e
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SSDEEP
196608:rAgI4S0Ob45Tswtb/Yl/3+MFFT2qvW7ySS:caOb4BPx/wv+MFl2qvW7ySS
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
DpEditor.execumhal.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ DpEditor.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cumhal.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
cumhal.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cumhal.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cumhal.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1304 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
cumhal.exeDpEditor.exepid process 1596 cumhal.exe 1748 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.execumhal.exepid process 1600 cmd.exe 1596 cumhal.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule \Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exe themida C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exe themida C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exe themida behavioral1/memory/1596-159-0x0000000000F50000-0x00000000016A6000-memory.dmp themida behavioral1/memory/1596-160-0x0000000000F50000-0x00000000016A6000-memory.dmp themida behavioral1/memory/1596-161-0x0000000000F50000-0x00000000016A6000-memory.dmp themida behavioral1/memory/1596-162-0x0000000000F50000-0x00000000016A6000-memory.dmp themida behavioral1/memory/1596-163-0x0000000000F50000-0x00000000016A6000-memory.dmp themida behavioral1/memory/1596-164-0x0000000000F50000-0x00000000016A6000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1596-169-0x0000000000F50000-0x00000000016A6000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1748-171-0x0000000000A30000-0x0000000001186000-memory.dmp themida behavioral1/memory/1748-172-0x0000000000A30000-0x0000000001186000-memory.dmp themida behavioral1/memory/1748-173-0x0000000000A30000-0x0000000001186000-memory.dmp themida behavioral1/memory/1748-174-0x0000000000A30000-0x0000000001186000-memory.dmp themida behavioral1/memory/1748-175-0x0000000000A30000-0x0000000001186000-memory.dmp themida behavioral1/memory/1748-176-0x0000000000A30000-0x0000000001186000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Processes:
cumhal.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA cumhal.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
802adde2f73b801001415c095fcaffe3.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 802adde2f73b801001415c095fcaffe3.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 802adde2f73b801001415c095fcaffe3.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
cumhal.exeDpEditor.exepid process 1596 cumhal.exe 1748 DpEditor.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
802adde2f73b801001415c095fcaffe3.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 802adde2f73b801001415c095fcaffe3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 802adde2f73b801001415c095fcaffe3.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 802adde2f73b801001415c095fcaffe3.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 268 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1748 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
802adde2f73b801001415c095fcaffe3.execumhal.exeDpEditor.exepid process 1488 802adde2f73b801001415c095fcaffe3.exe 1488 802adde2f73b801001415c095fcaffe3.exe 1596 cumhal.exe 1748 DpEditor.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
802adde2f73b801001415c095fcaffe3.execmd.execmd.execumhal.exedescription pid process target process PID 1488 wrote to memory of 1600 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1600 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1600 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1600 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1600 wrote to memory of 1596 1600 cmd.exe cumhal.exe PID 1600 wrote to memory of 1596 1600 cmd.exe cumhal.exe PID 1600 wrote to memory of 1596 1600 cmd.exe cumhal.exe PID 1600 wrote to memory of 1596 1600 cmd.exe cumhal.exe PID 1488 wrote to memory of 1304 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1304 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1304 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1488 wrote to memory of 1304 1488 802adde2f73b801001415c095fcaffe3.exe cmd.exe PID 1304 wrote to memory of 268 1304 cmd.exe timeout.exe PID 1304 wrote to memory of 268 1304 cmd.exe timeout.exe PID 1304 wrote to memory of 268 1304 cmd.exe timeout.exe PID 1304 wrote to memory of 268 1304 cmd.exe timeout.exe PID 1596 wrote to memory of 1748 1596 cumhal.exe DpEditor.exe PID 1596 wrote to memory of 1748 1596 cumhal.exe DpEditor.exe PID 1596 wrote to memory of 1748 1596 cumhal.exe DpEditor.exe PID 1596 wrote to memory of 1748 1596 cumhal.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.exe"C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.exe"1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exeC:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 53⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\4090.tmpFilesize
32B
MD5502ef3f3ece4863580320144bb4def88
SHA1c9b0633d81023b22bd1ac521797b853fc4ba1014
SHA2565e4a980e509800ef5eba533fbfb5e7f38bd55d4b72008bb14be344a6c699a945
SHA51228d53daf4f9c126cd639bb52254c70cca7198de167b64fd938168bfa22410ac6dcc5d34f740aad44d6a6eb76334a5dd422a65e7e4f6ab809df7ff4d110110228
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C:\Users\Admin\AppData\Local\Temp\4130.tmpFilesize
71KB
MD57634ebd082abbba35a8e6a300ec83c51
SHA1953666e70fbed932e4bed446f1d1e432781972b7
SHA256792aa1b2f647c981a8778a35717809ff0783bc4b6c022e6ed049c1029f6c584f
SHA5126f95e7c7c4548ad206294e5fc13f9ed0bad9476e5775ac4e06bd324c6e0a14382fcf5f604e5899084ee2f3733405716d60842f3393d5fa174902dbb055d40f3e
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C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exeFilesize
2.9MB
MD57f9a9c01f4cb2103b3cb04c7f4c94d4f
SHA13a6f6a2591fc20a2a8fb64b23be9ab917cc76258
SHA256f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413
SHA5121977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c
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C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exeFilesize
2.9MB
MD57f9a9c01f4cb2103b3cb04c7f4c94d4f
SHA13a6f6a2591fc20a2a8fb64b23be9ab917cc76258
SHA256f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413
SHA5121977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.9MB
MD57f9a9c01f4cb2103b3cb04c7f4c94d4f
SHA13a6f6a2591fc20a2a8fb64b23be9ab917cc76258
SHA256f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413
SHA5121977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c
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\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\cumhal.exeFilesize
2.9MB
MD57f9a9c01f4cb2103b3cb04c7f4c94d4f
SHA13a6f6a2591fc20a2a8fb64b23be9ab917cc76258
SHA256f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413
SHA5121977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c
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\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.9MB
MD57f9a9c01f4cb2103b3cb04c7f4c94d4f
SHA13a6f6a2591fc20a2a8fb64b23be9ab917cc76258
SHA256f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413
SHA5121977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c
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memory/1488-64-0x00000000003E0000-0x00000000003E1000-memory.dmpFilesize
4KB
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memory/1488-57-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1488-54-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1488-65-0x00000000003E0000-0x00000000003E1000-memory.dmpFilesize
4KB
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memory/1488-67-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/1488-68-0x00000000003F0000-0x00000000003F1000-memory.dmpFilesize
4KB
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memory/1488-70-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
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memory/1488-71-0x0000000000F30000-0x0000000000F31000-memory.dmpFilesize
4KB
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memory/1488-73-0x0000000000F40000-0x0000000000F41000-memory.dmpFilesize
4KB
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memory/1488-74-0x0000000000F40000-0x0000000000F41000-memory.dmpFilesize
4KB
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memory/1488-75-0x0000000000400000-0x0000000000F26000-memory.dmpFilesize
11.1MB
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memory/1488-61-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1488-60-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1488-59-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1488-58-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1488-62-0x00000000002D0000-0x00000000002D1000-memory.dmpFilesize
4KB
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memory/1488-55-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1488-56-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1596-169-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-160-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-162-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-163-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-164-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-159-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1596-161-0x0000000000F50000-0x00000000016A6000-memory.dmpFilesize
7.3MB
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memory/1600-158-0x00000000020B0000-0x0000000002806000-memory.dmpFilesize
7.3MB
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memory/1748-173-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB
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memory/1748-172-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB
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memory/1748-171-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB
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memory/1748-174-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB
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memory/1748-175-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB
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memory/1748-176-0x0000000000A30000-0x0000000001186000-memory.dmpFilesize
7.3MB